When pluging the DJ controller to a computer, the lights of the controller switch on and off to form a light show called Vegas Mode.It shows which keys are backlit, it animates your booth in a party when you stop DJing, and it can also be used in your Youtube videos.Here are the controls to start the Vegas Mode at any moment:Instant (and short) Vegas mode

P32 DJ Plug P32 DJ to the USB port of a computer or to a USB power supply, the Vegas mode starts automatically (after 5 minutes if P32 DJ is connected to a computer, after 2 minutes if it is connected to a USB power adapter)

DJControl Instinct P8 Plug the USB port to a computer or a USB power supply, the Vegas mode starts after 3 minutes